Hi,
> i want to realize a circuit able to charge a lead-acid battery, but i
> have some questions about:
> 1. Charging process is composed by three phases: Bulk charge (constant-
> current phase), Absorption (constant-voltage phase), Float or trikle
> charge....the last one is constant current or constant voltage? 2. What
> are the maximum and minimum C-rate for these phases? For example, i've
> read that in bulk charge phase the maximum current should be C/10..so,
> if i have a 50Ah battery maximum current should be 50/10=5A, right?
> 3. To calculate the state of charge, i need to know battery voltage and
> battery current on a known load?
> Thanks
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There's a few book out there, too, that give good background material.